emeritus
adjective [ before or after noun ] uk/ɪˈmer.ɪ.təs/ us/ɪˈmer.ə.t̬əs/
（尤指从学院或大学）退休后保留头衔的，荣誉退休的
no longer having a position, especially in a college or university, but keeping the title of the position
She became Emeritus Professor of Linguistics when she retired. 她退休后成为语言学荣誉退休教授。